Continued adherence to community-based health insurance scheme in two districts of northeast Ethiopia: application of accelerated failure time shared frailty models

Table 2 Comparison of the different parametric AFT shared frailty models based on the AIC and BIC values

Baseline distribution	Frailty distribution	AIC	BIC	Variance (θ)	p-value of LR test of θ = 0
Exponential	Gamma	1858.14	1945.11	0.080	< 0.001
Exponential	Inverse-Gaussian	1857.50	1944.48	0.084	< 0.001
Weibull	Gamma	1779.42	1871.52	0.117	< 0.001
Weibull	Inverse-Gaussian	1779.13	1871.23	0.126	< 0.001
Lognormal	Gamma	1787.85	1879.94	0.101	< 0.001
Lognormal	Inverse-Gaussian	1787.45	1879.55	0.106	< 0.001
Loglogistic	Gamma	1785.84	1877.93	0.107	< 0.001
Loglogistic	Inverse-Gaussian	1785.37	1877.46	0.112	< 0.001

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